package string;

/**
 * boolean Matches()
 */
public class MatchesDemo {
    public static void main(String[] args) {
/*
       邮箱正则表达式:
       [a-zA-Z0-9_]+@[a-zA-Z0-9]+(\.[a-zA-Z]+)+
*/
        String email = "liushunguo@smc.com.cn";
        String regex = "[a-zA-Z0-9_]+@[a-zA-Z0-9]+(\\.[a-zA-Z]+)+";
        boolean match = email.matches(regex);
        if (match){
            System.out.println("是正确邮箱格式");
        }else {
            System.out.println("是错误邮箱格式");
        }
    }
}
